Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Chi McBride Lou Grover Actor Jorge Garcia Jerry Ortega Actor Meaghan Rath Tani Rey Actor Taylor Wily Kamekona Actor Kimee Balmilero Dr. Noelani Cunha Actor Dennis Chun Sgt. Duke Lukela Actor Ian Anthony Dale Adam Noshimuri Actor Beulah Koale Junior Reigns Actor Claire van der Boom Rachel Hollander Guest Star Jimmy Buffett Frank Bama Guest Star Zach Sulzbach Charlie Williams Guest Star Christine Ko Jessie Nomura Guest Star Gonzalo Menendez Agent Colin McNeal Guest Star Joanna Christie Brooke Gardner Guest Star Daniel Kaemon Ray Gardner Guest Star Stephen Meyers Paramedic Guest Star Duane Kiyota Supervisor Guest Star David Stanley Officer Pete Evans Guest Star Zachary Pang Officer Oliwa Guest Star Cody Webster Officer Hannaford Guest Star Rory Yamamoto Morgue Tech Guest Star Ieremia Michael Lafi Kawika Guest Star Wesley Cortez Mark Guest Star Wyatt Kaneshiro Teenager Guest Star Boaz Rosen Boyfriend Guest Star Angel Deihl Woman Guest Star Lynne Halevi Woman in Crosswalk Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer David Wolkove Writer Matt Wheeler Writer